Occupy Wall Street protest, sleep-out at New York Stock Exchange

A man walks past demonstrators with Occupy Wall Street sleeping on Wall Street near the New York Stock Exchange on April 17.

Eric Thayer / Reuters

A demonstrator with the Occupy Wall Street movement sweeps near the steps of Federal Hall, across the street from the New York Stock Exchange on April 17.

Andrew Burton / Reuters

An Occupy Wall Street protester is arrested in front of Federal Hall, across the street from the New York Stock Exchange, in New York. Yesterday, police forced protesters, who had previously been sleeping on the corner of Wall Street and Nassau Street, to move.

Andrew Burton / Reuters

An Occupy Wall Street protester stands in a paddy wagon in front of the New York Stock Exchange in New York on April 16.

Lucas Jackson / Reuters

A member of the Occupy movement plays his guitar while resting on the steps of Federal Hall near the New York Stock Exchange on April 16.

Lucas Jackson / Reuters

A young girl makes a face as she watches members of the Occupy movement protest on the steps of Federal Hall near the New York Stock Exchange in New York on April 16.

Up host Chris Hayes leads the conversation on civil disobedience in light of the Occupy Wall Street movement, and the groups that are emerging set to teach protesters non-violent demonstration tactics.